package book;
//书架
public class BookList {
    private Book[] books = new Book[10];
    private int usedSize;  //计数器 来记录 当前实际放的数目
    public BookList() {
        //构造方法 来初始化成员
        this.books[0] = new Book("三国演义", "罗贯中", 10, "小说");
        this.books[1] = new Book("西游记", "吴承恩", 12, "小说");
        this.books[2] = new Book("红楼梦", "曹雪芹", 20, "小说");
        this.usedSize = 3;
    }

    public Book getBooks(int pos) {
        return books[pos];  //获取是西游记还是什么
    }

    public void setBooks(int pos, Book book) {
        books[pos] = book;   //获取下标是哪一本书
    }

    public int getUsedSize() {
        return usedSize;
    }

    public void setUsedSize(int usedSize) {
        this.usedSize = usedSize;
    }
}
